Sillamäe is a town in Ida-Viru County in the northern part of Estonia, on the southern coast of the Gulf of Finland.
Near the city, there is located a beach and a spa (Toila and Narva-Jõesuu), used during the Soviet period for Communist Party members and leaders.
In 2005 a port was opened in Sillamäe and from 2006 there is a regular ferry connection between Sillamäe and Kotka, Finland.